baber/WOPTO huggingface dataset:
Patent GB-330236-A (GB)
Title: Improvements in locomotives
IPC: B61C1/00
Filed: 1929-03-01
Abstract: 330,236. Eley, C. V. A. March 1, 1929. Addition to 294,311, [Class 79 (iii), Motor vehicles, Arrangements &c. of parts of]. Railway locomotives, steam. -The locomotive described in the parent Specification, and comprising one or more highpressure watertube boilers, a turbine driving the wheels through a dynamo and an electric motor, a. surface condenser and a tank for circulating the cooling water, is, according to the present invention, modified in any of the following ways :-(1) A mechanical, hydraulic or other transmission system is used instead of electric, (2) another form of steam engine is used instead of a turbine, (3) a locomotive-type boiler is used instead of the water-tube boiler. In the construction shown a locomotive-type boiler 2 supplies steam to two pairs of high-pressure outside cylinders 7, two low-pressure inside cylinders 10 being also provided. A condenser 4 is situated in front of the boiler and is connected by a pipe 17 to one end of a cooling-water tank 14, the other end of the tank being connected by a pipe 16 to a circulating pump 5. The pump 5 and an air pump 6 are driven by extensions 13 of the piston rods of the low-pressure cylinders. Baffles 15 in the tank 14 may be arranged as shown to cause a side to side flow of the water instead of an up and down flow as described in the parent Specification. The engine may comprise three inside cylinders and two outside cylinders, any of these cylinders being associated with one or more cylinders arranged co-axially, as described in Specification 330,237. A locomotive boiler combined with a water-tube boiler may be employed, as described in Specification 298,106, [Class 123 (ii), Steam generators].
Patent GB-573845-A (GB)
Title: Inter-polymers of iso-olefines
IPC: C08F10/00
Filed: 1942-05-18
Abstract: Interpolymers are made by subjecting a mixture of an iso-olefine and vinyl methacrylate to the action of a Friedel-Crafts' catalyst at a temperature below -10 DEG  C.  In the example, a mixture of isobutylene, vinyl methacrylate and petroleum ether was cooled in a stirred vessel at -80 DEG  C. Powdered solid carbon dioxide was added and gaseous boron trifluoride passed through the mixture.  The polymer formed was precipitated with methyl alcohol and dried at 100 DEG  C.
Patent GB-1024184-A (GB)
Title: Device for introducing objects into body cavities
IPC: A61F13/26
Filed: 1964-02-18
Abstract: 1,024,184. Creasing and forming tampon introducers. J. A. VOSS. Feb. 18, 1964 [March 21, 1963], No. 6815/64. Heading B6J. [Also in Division A5] The end of a tampon applicator tube is folded to a conical shape by first crimping the end to a frusto-conical form, Figs. 6 and 7 (not shown), using die parts 88, 94 and then by pressing the end in a die so that it is pointed. The folds of the applicator tube may be opened and closed several times in manufacture to provide ease of opening in the final product. An ejector tube, to be placed inside the applicator tube, is provided with an end of reduced diameter by a similar two-stage process using similar dies, Figs. 18-25 (not shown). The tubes are of kraft paper coated on one or both surfaces with polyethylene film, or are of cardboard, rubber, or a plastics material.
Patent GB-860668-A (GB)
Title: Improvements in rotary expanders of the intermeshing helical screw type
IPC: F01C1/16
Filed: 1959-02-27
Abstract: 860,668. Rotary motors. SVENSKA ROTOR MASKINER A.B. Feb. 27, 1959 [Feb. 27, 1958], No. 6869/59. Class 110 (2). In a rotary motor of the intermeshing screwtype the inlet 18 between the rotors is controlled by an axially adjustable spring-loaded slide 40 journalled on a fixed pin 44. The slide is moved by a rod 50, 60 in accordance with ambient pressure and has a ring 62 loosely engaging the cylinder. 54 so that the same pressure prevails on either side thereof. Each rotor is provided with a synchronizing gearwheel 32 and the male rotor spindle carries a braking fan 38.
Patent GB-1466103-A (GB)
Title: Washing and drying machine
IPC: D06F25/00
Filed: 1974-02-15
Abstract: 1466103 Washing machines PHILIPS GLOEILAMPENFABRIEKEN NV 15 Feb 1974 [19 Feb 1973] 6964/74 Heading D1A In a top loading horizontal axis washing machine with a drum 2 within a resiliently suspended tub I and, a driving motor 8 secured below the tub within a housing with a top lid 28, and the flanks 29 and 30 of the drum and tub are each of frusto-conical shape with a central outwardly facing concavity housing a stub shaft or a bearing therefor respectively, the ratio of drum volume to housing volume is a maximum of 4.8. The machine, which is controlled by a manual electrical contactor or a programmer 11, further comprises a drain pump with a removable cover 13, an electro-valve 16 controlling-water inlet lines (17), (18) (Fig. 1, not shown) to a detergent dispenser 19 mounted on the tub. The tube further comprises inertia masses 25 on each side and a loading funnel 22 with a hinged deflector 44 below an unsealed lid 24. Anti-clockwise rotation of the drum during spin drying causes a suction in the passage 50 between a "wall 51 of the detergent dispenser and a side 52 of a ridge 46 below the deflector 44 to return any water in the door frame to the tub.
Patent GB-739491-A (GB)
Title: Improvements in or relating to fluid sealing structures and gaskets therefor
IPC: F16K27/08
Filed: 1953-03-16
Abstract: 739,491. Joint-making packing. EDWARD VALVES, Inc. March 16, 1953 [Oct. 20, 1952], No. 7163/53. Classes 122 (3) and 122 (5)] An annular gasket 54, particularly for sealing a valve cover 14 to the valve body 10, comprises a metal core coated with metal softer than that of the core, the inner sealing surface 68 of the gasket which is adapted to engage a truncated conical surface, such as the shoulder 46 on the valve cover 14, being, preferably, also of truncated conical shape. The core is preferably of ingot iron known under the Registered Trade Mark " Armco " and the coating is preferably of electrodeposited lead 0.0005 inch to 0.005 inch in thickness. The valve body wall 42 is recessed at 50 to form a shoulder for an abutment ring 48 toward which the cover is pulled by nuts 62 on studs 60 passing through a fixed plate 56 so that the truncated conical shoulder 46 on the cover is forced into sealing contact with the surface 68 of the gasket. The half apex angle of the surface 68 is between nineteen and twenty-eight degrees and is less, preferably by one degree, than the half apex angle of the shoulder 46. A spacer ring 52 is provided between the gasket and the abutment ring 48 and the wall 42 is relieved at 71 to facilitate withdrawal of the gasket. Several alternative shapes of gasket are shown.
Patent GB-1086147-A (GB)
Title: Improvements in or relating to electrical control arrangements
Inventor: LAMBERT RAYMOND ARTHUR
IPC: G05F1/153
Filed: 1965-02-19
Abstract: 1,086,147. Supply systems for X-ray apparatus. GENERAL ELECTRIC CO. Ltd. Feb. 11, 1966 [Feb. 19, 1965; Sept. 16, 1965], Nos. 7267/65 and 39590/65. Heading H2H. [Also in Division G3] The output voltage of a high voltage transformer 6 supplying, for example, an X-ray tube, is determined by the setting of relays 4 connected between the primary winding 5 of transformer 6 and selected tappings 8 of an autotransformer 3 having input terminals 1, 2; associated with transformer 3 is a selector transformer 9 having selector devices 10, 11 connected to the winding of transformer 3, and a voltage sensitive device 12 is connected between a fixed tapping T and any one of a number of additional tappings 13 on the winding of transformer 9. The setting of selector 11 determines the output voltage of transformer 6 and when the selector is adjusted to a new position, the equilibrium condition of unit 12 is disturbed and a control signal is produced for application to a reversible uniselector 14 which is arranged to vary the tapping point 13 to which the unit 12 is connected until equilibrium is restored; at the same time -the uniselector 14 controls the relays 4 so that the output voltage of transformer 6 corresponds to the setting of (selector 11. Any variations in the supply voltage at terminals 1, 2 will also be compensated for by the units 12, 14. The selector 10 may be associated with separate means for adjusting the tube current of X-ray apparatus; when this adjustment takes place, the input voltage to unit 12 is also changed resulting in adjustment of uniselector 14 to actuate the relays 4, thereby ensuring that the output voltage of transformer 6 is re-set to a value compensating for different voltage drops obtained with different tube currents. In an alternative arrangement, described with reference to Fig. 2 (not shown), the output from the selector transformer is applied to the unit 12 which produces a control signal for a reversible electric motor regulating an adjustable tapping means or an impedance connected across the input terminals 1, 2, the positionof the tapping means determining the output voltage of transformer 6.
Patent GB-740474-A (GB)
Title: Improvements in or relating to the cladding of metal plates
Inventor: BROWN ROBERT LETCHER
IPC: B23K1/008
Filed: 1953-03-17
Abstract: 740,474. Making clad plates. CHICAGO BRIDGE & IRON CO. March 17, 1953, No. 7304/53. Classes 83 (2) and 83 (4). Brazing; welding.-In the cladding of a metal plate 20 with another plate 24, the two plates are superposed with a layer of brazing material 23 between them, and the space between the plates is sealed and is then evacuated through a connection 27, and whilst maintaining the vacuum, the plates are heated to the fusion temperature of the brazing material, thereby causing the latter to melt and effect a seal. The edges of the plates are sealed such as by a weld 26. The base-plate 20 is preferably mild steel and the cladding plate 24 is a corrosion or heat-resistant metal or alloy, e.g. stainless or chromium steels, nickel, nickel alloys or aluminium. A stainless steel base-plate may be clad with copper or a mild steel base-plate may be clad with another mild steel plate. The brazing material may be copper, bronze, or alloys of copper and silicon or copper and phosphorus; for cladding steel with aluminium a copper-aluminium-silicon alloy is used. This brazing material may be in the form of powder, film or foil, ribbons or rods or preferably in the form of a foraminous screen. The mating surfaces of the two plates are cleaned by sandblasting and preferably also by washing with hydrochloric acid. The surfaces of the brazing material are cleaned in a similar manner or, in the case of copper, with methyl alcohol. The plates are heated in a gas furnace and the vacuum is continued until the assembly has cooled below the solidification temperature of the brazing material. Slow cooling of the plates causes them to be annealed. Due to the weld 26, the plates 20, 24 will be spaced further apart near the edges when the cladding is completed. This margin may later be trimmed off. The connection part 22 may be plugged or eliminated by trimming. In another embodiment, Fig. 4, the edges of the two plates 30, 32 are sealed by a flexible metal plate 37 welded to the edges of the two plates. A connection 34 leads to a vacuum pump and a second connection 36 may also lead to a vacuum pump or preferably it is connected to a source of non- oxidizing gas such as argon, helium or hydrogen. In this embodiment the plates 30, 32 will be spaced a smaller distance apart at their edges. Two sets of plates may be clad simultaneously, Fig. 6 (not shown). Clad plates may be welded together at their edges, Fig. 7 (not shown), different weld metals 73 and 74 respectively being used for the base metal and cladding metal. In another embodiment, Fig. 8 (not shown), the cladding plate is not welded at its edge to the mild steel base-plate but is covered by another mild steel plate which is edge-welded to the base-plate. Specific examples are given of the cladding process for various metals of various dimensions including the temperatures used for melting the brazing metal.
Patent GB-414002-A (GB)
Title: Improvements in or relating to the dyeing of felt hat bodies
IPC: D06B11/00
Filed: 1934-03-08
Abstract: 414,002. Stencilling. FISCHEL, F., Alma Lodge, Wellington Road, and CARRINGTON & SONS, Ltd., S. R., Cale Green Hat Works, Cale Green, both in Stockport. March 8, 1934, No. 7361. [Class 100 (ii).] Designs are produced on felt hat bodies by temporarily attaching thread, cord, or tapes, or a piece or pieces of material to the felt prior to dipping it in a dye bath or between successive dippings in two dye baths. Rows of stitches may be sewn into the felt, cords or tapes forming rings 2 may be fastened by stitches 3, a piece or pieces of shaped fabric may be stitched to the felt, or any one method of masking the surface may be used in conjunction with one or more of the other methods. The hat body is washed and dried and the threads &c. are removed.
Patent GB-126433-A (GB)
Title: Improvements in Electric Motor Starters and Controllers.
Inventor: SCHATTNER ERNEST
IPC: H02P7/00
Filed: 1918-05-02
Abstract: 126,433. Schattner, E., and Walton, J. R. May 2, 1918. Controllers, rotating- arm; with no-volt release.-A reversing controller for electric motors has two arms E held in the central position shown by a spring G and operated by a pin D on an arm rotated by a handle. No-volt coils are provided and the ends H of the arms E are shaped so that if one arm is held in the " on " position the other arm cannot be moved from its " off " position.
Patent GB-652228-A (GB)
Title: Improvements in apparatus for the reproduction of picture and/or sound films
IPC: G11B23/087
Filed: 1946-03-11
Abstract: 652,228. Sound-film apparatus. PHILIPS LAMPS, Ltd. March 11, 1946, No. 7473. Convention date, March 14, 1945. [Class 40 (ii)] [Also in Group XX] In apparatus for reproducing sound and/or picture records on film, the film is carried on spools in a spool box having a recess across which the film passes and the reproducing apparatus is provided with a member which, when the spool box is inserted in the apparatus, engages the film passing across the recess and forms a loop to permit record on the film to be reproduced. In the form shown, the magazine with flangeless spools 18, 21 has a recess 10 and the film passes across the recess on rollers 12, 13 and a roller 9 on a pivoted arm 8 is engaged behind the film so that by pivoting the arm the film can be drawn out and engaged with the driving mechanism. The magazine contour may, as shown in full lines, correspond to the feed spool full and take-up spool empty or as shown in dotted lines may embrace both when full. The spacing of the spool centre may be less than the diameter of the wound film coil.
Patent GB-547454-A (GB)
Title: Improvements in, or relating to, gas producers
IPC: C10J3/72
Filed: 1941-06-13
Abstract: 547,454. Gas producer plant. BIRMINGHAM ELECTRIC FURNACES, Ltd., and HANCOCK, P. F. June 13, 1941, No. 7477. [Class 55 (i)] During the initial starting up period the producer is operated under suction, whereas, when the normal working temperature is approached, the producer is operated under pressure. The apparatus is adapted for producing gas for use as a furnace atmosphere in the heat treatment of steel. A combustion tube a is fed with charcoal from a hopper b, and the fuel is supported by a grate d the end of the tube being closed when required by a cover plate e. During the suction period, the fuel is ignited by a torch applied below the open end of the tube and the combustion products are withdrawn through a pipe f by a blower c and passed to atmosphere through pipe l, only valves l<1> and f<1> being opened. During the pressure period, valves l<1> and f<1> are closed, and the other valves opened, the cover e is placed in position, and air from the blower drawn in through filter g<2> is supplied to the producer through pipe k the gas passing out through pipe f, settling pot j and pipe h to the furnace. Appropriate valves may be interconnected to facilitate the operation of the plant.
Patent GB-1248182-A (GB)
Title: Improvements in thermostatic mixers for liquids
IPC: G05D23/13
Filed: 1970-02-17
Abstract: 1,248,182. Fluid-pressure servomotor systems. KUGLER FONDERIE ET ROBINETTERIE S.A. Feb. 17, 1970 [March 4, 1969], No.7478/70. Heading G3P. A thermostatic mixing valve includes a casing having an inlet 2 for hot liquid and an inlet 3 for cold liquid each controlled by a respective diaphragm valve 8, 9, a back-pressure chamber 14, 13 associated with each diaphragm valve, each chamber having a variable intake 29 Fig. 3 through which liquid is supplied as a by-pass from the upstream side of the diaphragm, a respective delivery jet 31, 37, and a flapper 33 which is responsive to deformations of a bi-metallic strip 33. Hot and cold liquids from the inlets mix in a chamber 17, contact the bi-metallic strip 33 and pass to the outlet 4. The extent of opening of the diaphragm valves is controlled by the pressures in the back-pressure chambers. These in turn are controlled by the flapper acting on both delivery jets. With the knob 44 screwed in to clamp the flapper 33 between the two jets 31, 37, the pressure in the chambers becomes equal to the inlet pressures and the diaphragm valves assume their closed state. As the jets 31, 37 are separated, so the bleed through a variable orifice 29 will cause the diaphragms to assume various equalibrium positions according to the setting of the knob 44, and the total quantity of mixed liquid is thus determined. The bi-metallic strip will move in such a way as to keep the temperature of the mixture constant. This temperature may be altered by turning the knob 52 which acts on the bi-metallic strip to cause it to move nearer one or the other of the jets. In an alternative construction, both jet nozzles 31, 37 are stationary whilst a closure member (54), Fig. 5 (not shown), is formed with divergent closure faces.
Patent GB-900831-A (GB)
Title: Catalytic oxidation of alcohols
IPC: C07C45/29
Filed: 1959-03-04
Abstract: Compounds containing one or more aldehydo or keto groups are produced by subjecting an alcohol to reaction with peracetic acid in the presence of ions of a metal capable of existing in more than one state of valency.  Suitable metal ions are, for example, those of manganese, cobalt, iron, chromium and cerium.  The metals may be present in the system as ions derived from such ionisable compounds as salts of fatty acids, e.g. manganese propionate, cobalt acetate or ferrous acetate, or other salts such as cobalt nitrate and cobalt sulphate.  Suitable alcohols for use as starting materials are primary m-onohydric alcohols, e.g. 1-propanol, 2-chloroethanol, benzyl alcohol, 3-methoxybutanol, ethanolamine hydrochloride and the butyl ether of ethylene glycol; secondary monohydric alcohols, e.g. 2-propanol and diphenyl carbinol; and polyhydric alcohols, e.g. 2,3-butylene glycol, cis- or trans-1,2-cyclohexanediol, 9,10-dihydrostearic acid, erythritol and starch.  Primary alcohols yield the corresponding aldehydes, and secondary alcohols yield the corresponding ketones.  Alcohols having two vicinal secondary alcohol groups yield diketones with adjacent keto-groups or split and give two aldehyde molecules.  When the vicinal hydroxyl groups are on a single ring, a product having two terminal aldehyde groups is obtained, e.g. 1,2-cyclohexanediol yields adipaldehyde. When little or no water is present the carbonyl compound may combine with the alcohol to form an acetal.  For example when 2,3-butylene glycol is oxidised some of the acetaldehyde formed reacts with the glycol to form the acetaldehyde acetal of butylene glycol (2,4,5-trimethyl-dioxolane).  The reaction may be carried out at a temperature in the range 20-100 DEG C.  The peracetic acid is conveniently fed to the reaction zone in a solvent, e.g. acetic acid, methylal, acetone, benzene or ether.  In the examples: (a) 1-propanol is oxidised to propionaldehyde; (b) 2-propanol is oxidised to acetone; and (c) 2,3-butylene glycol is oxidised to a mixture of diacetyl and acetaldehyde with in one case some 3-hydroxy-butanone-2.
Patent GB-164513-A (GB)
Title: Improvements in lappet looms for weaving
IPC: D03D31/00
Filed: 1920-03-13
Abstract: 164,513. Liver, C., and Liver, H. March 13, 1920. Lappet looms.-The pin frame of a lappet loom for weaving spotted muslins &c. is reciprocated by apparatus comprising an oscillating friction clutch or equivalent device. In the apparatus shown in Fig. 1, the pin frame A is operated by a strap or band a attached to it and passing over guide-pulleys a<1> and round a pulley B on a shaft b. A camoperated or like lever c<1> oscillates the pulley B, and moves the pin frame A, the band a slipping when the movement of the pin frame is arrested by the cam-groove on the lappet wheel E. Springs a<2> are preferably fitted in the band a, which may pass round two or three pulleys B to increase the frictional grip thereon. In a modification, two pulleys B are fitted side by side in frictional contact, and in another modification, a metal &c. friction band or strap D, Fig. 5, passing round the pulley B, has an arm d<1> connected by ball joints to a rod d, which oscillates the pin frame A by means of a connecting-rod d<2>.
Patent GB-374920-A (GB)
Title: Hollow bodies for toys and the like
IPC: A63H27/10
Filed: 1931-03-11
Abstract: A hollow rubber body for balls, dolls, animal reproductions, toy figures and like objects is made by inflating a thin hollow p  rubber body of the kind usually used for air balloons, and shaped according to the object required, to, for example, ten times its original size, and then applying thereto, by pouring, dipping or painting, a coating of gelatine mixed with glycerine, a cellulose solution compound with a softening medium, or any other suitable plastic material, which is then hardened in a bath, for example, of potassium di-chromate or formalin.  After an additional inflation, the inflating tube of the inner body is bound and sunk through a slit of a small protecting plate which is covered by a further outer coating.  For amusement effects, weights, bells or figures may be introduced into the soft rubber body which may bear pictorial designs thereon, the coating in this case being made transparent.  The thickness of the coating is varied according to the uses of the objects made.  Reference has been directed by the Comptroller to Specification 2897/09, [Class 87 (ii), Moulding plastic &c. substances].
Patent GB-768068-A (GB)
Title: Improvements in or relating to a holder for sheets arranged in a pile
IPC: B65H3/56
Filed: 1955-03-16
Abstract: 768,068. Feeding sheets. KISTER, M. March 16, 1955 [March 17, 1954], No. 7624/55. Class 100(1) A holder for a pile of sheets which are withdrawable seriatim by a suction device 19 is provided with pointed elements 8 adapted to retain the pile 2 in the holder and from which the sheets may be disengaged by tearing them marginally by the separator 19 and includes further pointed elements 9 for retaining any additional sheet withdrawn by the separator beyond the elements 8. The pile is supported between angle irons such as 1 spaced apart by struts 3, 4. The retaining elements comprise a support 6, fixed to the strut 4, on which is mounted a block 7, provided with the members 8, 9, through the medium of a flexible strip 12 and a wedge member 14. The amount of projection of the members 8, 9 may be adjusted by a knob 16 on a screw 17 fixed to the support 6. A spring 18 maintains the strip 12 against the knob 16. The members 8, 9 are formed as needles and have an inclination of about 20 degrees to the plane of the sheet. In modifications the members 8, 9 are formed as horizontal strips or needles having upwardly turned ends.